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1.1 root 1: /*
2: * Copyright (c) 1982, 1986 Regents of the University of California.
3: * All rights reserved. The Berkeley software License Agreement
4: * specifies the terms and conditions for redistribution.
5: *
6: * @(#)hp.c 7.15 (Berkeley) 6/28/88
7: */
8:
9: #ifdef HPDEBUG
10: int hpdebug;
11: #endif
12: #ifdef HPBDEBUG
13: int hpbdebug;
14: #endif
15:
16: #include "hp.h"
17: #if NHP > 0
18: /*
19: * HP disk driver for RP0x+RMxx+ML11
20: *
21: * TODO:
22: * see if DCLR and/or RELEASE set attention status
23: */
24: #include "param.h"
25: #include "systm.h"
26: #include "dkstat.h"
27: #include "buf.h"
28: #include "conf.h"
29: #include "dir.h"
30: #include "file.h"
31: #include "user.h"
32: #include "map.h"
33: #include "../vax/mtpr.h"
34: #include "vm.h"
35: #include "cmap.h"
36: #include "dkbad.h"
37: #include "disklabel.h"
38: #include "ioctl.h"
39: #include "uio.h"
40: #include "syslog.h"
41: #include "stat.h"
42:
43: #include "../machine/pte.h"
44: #include "../vax/dkio.h"
45: #include "mbareg.h"
46: #include "mbavar.h"
47: #include "hpreg.h"
48:
49: #define COMPAT_42
50: #define B_FORMAT B_XXX
51:
52: /*
53: * Table of supported Massbus drive types.
54: * When using unlabeled packs, slot numbers here
55: * are used as indices into the partition tables.
56: * Slots are left for those drives divined from other means
57: * (e.g. SI, AMPEX, etc.).
58: */
59: short hptypes[] = {
60: #define HPDT_RM03 0
61: MBDT_RM03,
62: #define HPDT_RM05 1
63: MBDT_RM05,
64: #define HPDT_RP06 2
65: MBDT_RP06,
66: #define HPDT_RM80 3
67: MBDT_RM80,
68: #define HPDT_RP04 4
69: MBDT_RP04,
70: #define HPDT_RP05 5
71: MBDT_RP05,
72: #define HPDT_RP07 6
73: MBDT_RP07,
74: #define HPDT_ML11A 7
75: MBDT_ML11A,
76: #define HPDT_ML11B 8
77: MBDT_ML11B,
78: #define HPDT_9775 9
79: -1,
80: #define HPDT_9730 10
81: -1,
82: #define HPDT_CAPRICORN 11
83: -1,
84: #define HPDT_EAGLE 12
85: -1,
86: #define HPDT_9300 13
87: -1,
88: #define HPDT_RM02 14
89: MBDT_RM02, /* beware, actually mapped */
90: #define HPDT_2361 15
91: -1,
92: #define HPDT_2361A 16
93: -1,
94: 0
95: };
96:
97: struct mba_device *hpinfo[NHP];
98: int hpattach(),hpustart(),hpstart(),hpdtint(),hpstrategy();
99: struct mba_driver hpdriver =
100: { hpattach, 0, hpustart, hpstart, hpdtint, 0,
101: hptypes, "hp", 0, hpinfo };
102:
103: u_char hp_offset[16] = {
104: HPOF_P400, HPOF_M400, HPOF_P400, HPOF_M400,
105: HPOF_P800, HPOF_M800, HPOF_P800, HPOF_M800,
106: HPOF_P1200, HPOF_M1200, HPOF_P1200, HPOF_M1200,
107: 0, 0, 0, 0,
108: };
109:
110: struct disklabel hplabel[NHP];
111: struct dkbad hpbad[NHP];
112:
113: struct hpsoftc {
114: u_char sc_recal; /* recalibrate state */
115: u_char sc_doseeks; /* perform explicit seeks */
116: #ifdef COMPAT_42
117: u_char sc_hdr; /* next i/o includes header */
118: #endif
119: int sc_state; /* open fsm */
120: int sc_wlabel; /* label sector is currently writable */
121: u_long sc_openpart; /* bit mask of open subunits */
122: u_long sc_copenpart; /* bit mask of open character subunits */
123: u_long sc_bopenpart; /* bit mask of open block subunits */
124: daddr_t sc_mlsize; /* ML11 size */
125: int sc_blkdone; /* amount sucessfully transfered */
126: daddr_t sc_badbn; /* replacement block number */
127: int sc_status; /* copy of drive status reg. after format */
128: int sc_hpds; /* copy of hpds reg. after format */
129: int sc_er1; /* copy of error reg. 1 after format */
130: int sc_er2; /* copy of error reg. 2 after format */
131: } hpsoftc[NHP];
132:
133: /*
134: * Drive states. Used during steps of open/initialization.
135: * States < OPEN (> 0) are transient, during an open operation.
136: * OPENRAW is used for unlabeled disks,
137: * to inhibit bad-sector forwarding or allow format operations.
138: */
139: #define CLOSED 0 /* disk is closed. */
140: #define WANTOPEN 1 /* open requested, not started */
141: #define WANTOPENRAW 2 /* open requested, no label */
142: #define RDLABEL 3 /* reading pack label */
143: #define RDBADTBL 4 /* reading bad-sector table */
144: #define OPEN 5 /* initialized and ready */
145: #define OPENRAW 6 /* open, no label or badsect */
146:
147: #define b_cylin b_resid
148:
149: /* #define ML11 0 to remove ML11 support */
150: #define ML11(type) ((type) == HPDT_ML11A)
151: #define RP06(type) (hptypes[type] <= MBDT_RP06)
152: #define RM80(type) ((type) == HPDT_RM80)
153:
154: #define hpunit(dev) (minor(dev) >> 3)
155: #define hppart(dev) (minor(dev) & 07)
156: #define hpminor(unit, part) (((unit) << 3) | (part))
157:
158: #define MASKREG(reg) ((reg)&0xffff)
159: #ifdef lint
160: #define HPWAIT(mi, addr) (hpwait(mi))
161: #else
162: #define HPWAIT(mi, addr) (((addr)->hpds & HPDS_DRY) || hpwait(mi))
163: #endif
164:
165: /*ARGSUSED*/
166: hpattach(mi, slave)
167: struct mba_device *mi;
168: {
169: register int unit = mi->mi_unit;
170: extern int cold;
171:
172: if (cold) {
173: /*
174: * Try to initialize device and read pack label.
175: */
176: if (hpinit(hpminor(unit, 0), 0) == 0) {
177: printf(": %s", hplabel[unit].d_typename);
178: #ifdef notyet
179: addswap(makedev(HPMAJOR, hpminor(unit, 0)),
180: &hplabel[unit]);
181: #endif
182: } else
183: printf(": offline");
184: }
185: }
186:
187: hpopen(dev, flags, fmt)
188: dev_t dev;
189: int flags, fmt;
190: {
191: register int unit = hpunit(dev);
192: register struct hpsoftc *sc;
193: register struct disklabel *lp;
194: register struct partition *pp;
195: struct mba_device *mi;
196: int s, error, part = hppart(dev), mask = 1 << part;
197: daddr_t start, end;
198:
199: if (unit >= NHP || (mi = hpinfo[unit]) == 0 || mi->mi_alive == 0)
200: return (ENXIO);
201: sc = &hpsoftc[unit];
202: lp = &hplabel[unit];
203:
204: s = spl5();
205: while (sc->sc_state != OPEN && sc->sc_state != OPENRAW &&
206: sc->sc_state != CLOSED)
207: sleep ((caddr_t)sc, PZERO+1);
208: splx(s);
209: if (sc->sc_state != OPEN && sc->sc_state != OPENRAW)
210: if (error = hpinit(dev, flags))
211: return (error);
212: if (part >= lp->d_npartitions)
213: return (ENXIO);
214: /*
215: * Warn if a partion is opened
216: * that overlaps another partition which is open
217: * unless one is the "raw" partition (whole disk).
218: */
219: #define RAWPART 2 /* 'c' partition */ /* XXX */
220: if ((sc->sc_openpart & mask) == 0 && part != RAWPART) {
221: pp = &lp->d_partitions[part];
222: start = pp->p_offset;
223: end = pp->p_offset + pp->p_size;
224: for (pp = lp->d_partitions;
225: pp < &lp->d_partitions[lp->d_npartitions]; pp++) {
226: if (pp->p_offset + pp->p_size <= start ||
227: pp->p_offset >= end)
228: continue;
229: if (pp - lp->d_partitions == RAWPART)
230: continue;
231: if (sc->sc_openpart & (1 << (pp - lp->d_partitions)))
232: log(LOG_WARNING,
233: "hp%d%c: overlaps open partition (%c)\n",
234: unit, part + 'a',
235: pp - lp->d_partitions + 'a');
236: }
237: }
238: switch (fmt) {
239: case S_IFCHR:
240: sc->sc_copenpart |= mask;
241: break;
242: case S_IFBLK:
243: sc->sc_bopenpart |= mask;
244: break;
245: }
246: sc->sc_openpart |= mask;
247: return (0);
248: }
249:
250: /* ARGSUSED */
251: hpclose(dev, flags, fmt)
252: dev_t dev;
253: int flags, fmt;
254: {
255: register int unit = hpunit(dev);
256: register struct hpsoftc *sc;
257: struct mba_device *mi;
258: int s, mask = 1 << hppart(dev);
259:
260: sc = &hpsoftc[unit];
261: mi = hpinfo[unit];
262: switch (fmt) {
263: case S_IFCHR:
264: sc->sc_copenpart &= ~mask;
265: break;
266: case S_IFBLK:
267: sc->sc_bopenpart &= ~mask;
268: break;
269: }
270: sc->sc_openpart = sc->sc_copenpart | sc->sc_bopenpart;
271:
272: /*
273: * Should wait for I/O to complete on this partition
274: * even if others are open, but wait for work on blkflush().
275: */
276: if (sc->sc_openpart == 0) {
277: s = spl5();
278: while (mi->mi_tab.b_actf)
279: sleep((caddr_t)sc, PZERO - 1);
280: splx(s);
281: sc->sc_state = CLOSED;
282: sc->sc_wlabel = 0;
283: }
284: return (0);
285: }
286:
287: hpinit(dev, flags)
288: dev_t dev;
289: int flags;
290: {
291: register struct hpsoftc *sc;
292: register struct buf *bp;
293: register struct disklabel *lp;
294: struct mba_device *mi;
295: struct hpdevice *hpaddr;
296: struct dkbad *db;
297: char *msg, *readdisklabel();
298: int unit, i, error = 0;
299:
300: unit = hpunit(dev);
301: sc = &hpsoftc[unit];
302: lp = &hplabel[unit];
303: mi = hpinfo[unit];
304: hpaddr = (struct hpdevice *)mi->mi_drv;
305:
306: sc->sc_state = WANTOPEN;
307: /*
308: * Use the default sizes until we've read the label,
309: * or longer if there isn't one there.
310: */
311: if (lp->d_secpercyl == 0) {
312: lp->d_secsize = DEV_BSIZE;
313: lp->d_nsectors = 32;
314: lp->d_ntracks = 20;
315: lp->d_secpercyl = 32*20;
316: lp->d_npartitions = 1;
317: lp->d_partitions[0].p_offset = 0;
318: lp->d_partitions[0].p_size = LABELSECTOR + 1;
319: }
320:
321: if (flags & O_NDELAY)
322: goto raw;
323:
324: /*
325: * Map all ML11's to the same type. Also calculate
326: * transfer rates based on device characteristics.
327: * Set up dummy label with all that's needed.
328: */
329: if (mi->mi_type == MBDT_ML11A || mi->mi_type == MBDT_ML11B) {
330: register int trt;
331:
332: sc->sc_mlsize = hpaddr->hpmr & HPMR_SZ;
333: if ((hpaddr->hpmr & HPMR_ARRTYP) == 0)
334: sc->sc_mlsize >>= 2;
335: if (mi->mi_dk >= 0) {
336: trt = (hpaddr->hpmr & HPMR_TRT) >> 8;
337: dk_mspw[mi->mi_dk] = 1.0 / (1<<(20-trt));
338: }
339: mi->mi_type = MBDT_ML11A;
340: lp->d_partitions[0].p_size = sc->sc_mlsize;
341: lp->d_secpercyl = sc->sc_mlsize;
342: goto raw;
343: }
344:
345: /*
346: * Preset, pack acknowledge will be done in hpstart
347: * during first read operation.
348: */
349: if (msg = readdisklabel(dev, hpstrategy, lp)) {
350: if (cold)
351: printf(": %s", msg);
352: else
353: log(LOG_ERR, "hp%d: %s\n", unit, msg);
354: #ifdef COMPAT_42
355: if (hpmaptype(mi, lp) == 0)
356: #endif
357: goto raw;
358: }
359:
360: /*
361: * Seconds per word = (60 / rpm) / (nsectors * secsize/2)
362: */
363: if (mi->mi_dk >= 0 && lp->d_rpm)
364: dk_mspw[mi->mi_dk] = 120.0 /
365: (lp->d_rpm * lp->d_nsectors * lp->d_secsize);
366: /*
367: * Read bad sector table into memory.
368: */
369: bp = geteblk(DEV_BSIZE); /* max sector size */
370: bp->b_dev = dev;
371: sc->sc_state = RDBADTBL;
372: i = 0;
373: do {
374: u.u_error = 0; /* XXX */
375: bp->b_flags = B_BUSY | B_READ;
376: bp->b_blkno = lp->d_secperunit - lp->d_nsectors + i;
377: bp->b_bcount = lp->d_secsize;
378: bp->b_cylin = lp->d_ncylinders - 1;
379: hpstrategy(bp);
380: biowait(bp);
381: } while ((bp->b_flags & B_ERROR) && (i += 2) < 10 &&
382: i < lp->d_nsectors);
383: db = (struct dkbad *)(bp->b_un.b_addr);
384: if ((bp->b_flags & B_ERROR) == 0 && db->bt_mbz == 0 &&
385: db->bt_flag == 0) {
386: hpbad[unit] = *db;
387: } else {
388: log(LOG_ERR, "hp%d: %s bad-sector file\n", unit,
389: (bp->b_flags & B_ERROR) ? "can't read" : "format error in");
390: u.u_error = 0; /* XXX */
391: }
392: sc->sc_state = OPEN;
393: bp->b_flags = B_INVAL | B_AGE;
394: brelse(bp);
395: wakeup((caddr_t)sc);
396: return (error);
397:
398: raw:
399: if (cold)
400: sc->sc_state = CLOSED;
401: else {
402: sc->sc_state = OPENRAW;
403: wakeup((caddr_t)sc);
404: }
405: return (error);
406: }
407:
408: hpstrategy(bp)
409: register struct buf *bp;
410: {
411: register struct mba_device *mi;
412: register struct disklabel *lp;
413: register struct hpsoftc *sc;
414: register int unit;
415: daddr_t sz, maxsz;
416: int xunit = hppart(bp->b_dev);
417: int s;
418:
419: sz = (bp->b_bcount + DEV_BSIZE - 1) >> DEV_BSHIFT;
420: unit = hpunit(bp->b_dev);
421: if (unit >= NHP) {
422: bp->b_error = ENXIO;
423: goto bad;
424: }
425: mi = hpinfo[unit];
426: sc = &hpsoftc[unit];
427: lp = &hplabel[unit];
428: if (mi == 0 || mi->mi_alive == 0) {
429: bp->b_error = ENXIO;
430: goto bad;
431: }
432: #ifdef COMPAT_42
433: if (sc->sc_hdr) { /* XXX */
434: if (bp->b_bcount == 516)
435: bp->b_flags |= B_FORMAT;
436: sc->sc_hdr = 0;
437: }
438: #endif
439: if (sc->sc_state < OPEN)
440: goto q;
441: if (sc->sc_state != OPEN && (bp->b_flags & B_READ) == 0) {
442: bp->b_error = EROFS;
443: goto bad;
444: }
445: if ((sc->sc_openpart & (1 << xunit)) == 0) {
446: bp->b_error = ENODEV;
447: goto bad;
448: }
449: maxsz = lp->d_partitions[xunit].p_size;
450: if (bp->b_blkno + lp->d_partitions[xunit].p_offset <= LABELSECTOR &&
451: #if LABELSECTOR != 0
452: bp->b_blkno + lp->d_partitions[xunit].p_offset + sz > LABELSECTOR &&
453: #endif
454: (bp->b_flags & B_READ) == 0 && sc->sc_wlabel == 0) {
455: bp->b_error = EROFS;
456: goto bad;
457: }
458: if (bp->b_blkno < 0 || bp->b_blkno + sz > maxsz) {
459: if (bp->b_blkno == maxsz) {
460: bp->b_resid = bp->b_bcount;
461: goto done;
462: }
463: sz = maxsz - bp->b_blkno;
464: if (sz <= 0) {
465: bp->b_error = EINVAL;
466: goto bad;
467: }
468: bp->b_bcount = sz << DEV_BSHIFT;
469: }
470: bp->b_cylin = (bp->b_blkno + lp->d_partitions[xunit].p_offset) /
471: lp->d_secpercyl;
472: q:
473: s = spl5();
474: disksort(&mi->mi_tab, bp);
475: if (mi->mi_tab.b_active == 0)
476: mbustart(mi);
477: splx(s);
478: return;
479:
480: bad:
481: bp->b_flags |= B_ERROR;
482: done:
483: biodone(bp);
484: return;
485: }
486:
487: hpustart(mi)
488: register struct mba_device *mi;
489: {
490: register struct hpdevice *hpaddr = (struct hpdevice *)mi->mi_drv;
491: register struct buf *bp = mi->mi_tab.b_actf;
492: register struct disklabel *lp;
493: struct hpsoftc *sc = &hpsoftc[mi->mi_unit];
494: daddr_t bn;
495: int sn, tn, dist;
496:
497: lp = &hplabel[mi->mi_unit];
498: hpaddr->hpcs1 = 0;
499: if ((hpaddr->hpcs1&HP_DVA) == 0)
500: return (MBU_BUSY);
501:
502: switch (sc->sc_recal) {
503:
504: case 1:
505: (void)HPWAIT(mi, hpaddr);
506: hpaddr->hpdc = bp->b_cylin;
507: hpaddr->hpcs1 = HP_SEEK|HP_GO;
508: sc->sc_recal++;
509: return (MBU_STARTED);
510: case 2:
511: break;
512: }
513: sc->sc_recal = 0;
514: if ((hpaddr->hpds & HPDS_VV) == 0) {
515: if (sc->sc_state == OPEN && lp->d_flags & D_REMOVABLE) {
516: if (sc->sc_openpart)
517: log(LOG_ERR, "hp%d: volume changed\n",
518: mi->mi_unit);
519: sc->sc_openpart = 0;
520: bp->b_flags |= B_ERROR;
521: return (MBU_NEXT);
522: }
523: hpaddr->hpcs1 = HP_DCLR|HP_GO;
524: if (mi->mi_mba->mba_drv[0].mbd_as & (1<<mi->mi_drive))
525: printf("DCLR attn\n");
526: hpaddr->hpcs1 = HP_PRESET|HP_GO;
527: if (!ML11(mi->mi_type))
528: hpaddr->hpof = HPOF_FMT22;
529: mbclrattn(mi);
530: if (sc->sc_state == WANTOPENRAW) {
531: sc->sc_state = OPENRAW;
532: return (MBU_NEXT);
533: }
534: if (sc->sc_state == WANTOPEN)
535: sc->sc_state = RDLABEL;
536: }
537: if (mi->mi_tab.b_active || mi->mi_hd->mh_ndrive == 1) {
538: if (mi->mi_tab.b_errcnt >= 16 && (bp->b_flags & B_READ)) {
539: hpaddr->hpof =
540: hp_offset[mi->mi_tab.b_errcnt & 017]|HPOF_FMT22;
541: hpaddr->hpcs1 = HP_OFFSET|HP_GO;
542: (void)HPWAIT(mi, hpaddr);
543: mbclrattn(mi);
544: }
545: return (MBU_DODATA);
546: }
547: if (ML11(mi->mi_type))
548: return (MBU_DODATA);
549: if ((hpaddr->hpds & HPDS_DREADY) != HPDS_DREADY)
550: return (MBU_DODATA);
551: bn = bp->b_blkno;
552: sn = bn % lp->d_secpercyl;
553: tn = sn / lp->d_nsectors;
554: sn = sn % lp->d_nsectors;
555: if (bp->b_cylin == MASKREG(hpaddr->hpdc)) {
556: if (sc->sc_doseeks)
557: return (MBU_DODATA);
558: dist = sn - (MASKREG(hpaddr->hpla) >> 6) - 1;
559: if (dist < 0)
560: dist += lp->d_nsectors;
561: if (dist <= lp->d_maxdist && dist >= lp->d_mindist)
562: return (MBU_DODATA);
563: } else
564: hpaddr->hpdc = bp->b_cylin;
565: if (sc->sc_doseeks)
566: hpaddr->hpcs1 = HP_SEEK|HP_GO;
567: else {
568: sn = (sn + lp->d_nsectors - lp->d_sdist) % lp->d_nsectors;
569: hpaddr->hpda = (tn << 8) + sn;
570: hpaddr->hpcs1 = HP_SEARCH|HP_GO;
571: }
572: return (MBU_STARTED);
573: }
574:
575: hpstart(mi)
576: register struct mba_device *mi;
577: {
578: register struct hpdevice *hpaddr = (struct hpdevice *)mi->mi_drv;
579: register struct buf *bp = mi->mi_tab.b_actf;
580: register struct disklabel *lp = &hplabel[mi->mi_unit];
581: struct hpsoftc *sc = &hpsoftc[mi->mi_unit];
582: daddr_t bn;
583: int sn, tn, cn;
584:
585: if (ML11(mi->mi_type))
586: hpaddr->hpda = bp->b_blkno + sc->sc_blkdone;
587: else {
588: if (bp->b_flags & B_BAD) {
589: bn = sc->sc_badbn;
590: cn = bn / lp->d_secpercyl;
591: } else {
592: bn = bp->b_blkno;
593: cn = bp->b_cylin;
594: }
595: sn = bn % lp->d_secpercyl;
596: if ((bp->b_flags & B_BAD) == 0)
597: sn += sc->sc_blkdone;
598: tn = sn / lp->d_nsectors;
599: sn %= lp->d_nsectors;
600: cn += tn / lp->d_ntracks;
601: tn %= lp->d_ntracks;
602: hpaddr->hpda = (tn << 8) + sn;
603: hpaddr->hpdc = cn;
604: }
605: mi->mi_tab.b_bdone = dbtob(sc->sc_blkdone);
606: if (bp->b_flags & B_FORMAT) {
607: if (bp->b_flags & B_READ)
608: return (HP_RHDR|HP_GO);
609: else
610: return (HP_WHDR|HP_GO);
611: }
612: return (0);
613: }
614:
615: hpdtint(mi, mbsr)
616: register struct mba_device *mi;
617: int mbsr;
618: {
619: register struct hpdevice *hpaddr = (struct hpdevice *)mi->mi_drv;
620: register struct buf *bp = mi->mi_tab.b_actf;
621: register int er1, er2;
622: struct hpsoftc *sc = &hpsoftc[mi->mi_unit];
623: int retry = 0;
624: int npf, bcr;
625:
626: bcr = MASKREG(-mi->mi_mba->mba_bcr);
627: if (bp->b_flags & B_FORMAT) {
628: sc->sc_status = mbsr;
629: sc->sc_hpds = hpaddr->hpds;
630: sc->sc_er1 = hpaddr->hper1;
631: sc->sc_er2 = hpaddr->hper2;
632: }
633: if (hpaddr->hpds&HPDS_ERR || mbsr&MBSR_EBITS) {
634: er1 = hpaddr->hper1;
635: er2 = hpaddr->hper2;
636: if (bp->b_flags & B_BAD)
637: npf = bp->b_error;
638: else {
639: npf = btodb(bp->b_bcount + (DEV_BSIZE - 1) - bcr);
640: if (er1 & (HPER1_DCK | HPER1_ECH))
641: npf--;
642: }
643: if (HPWAIT(mi, hpaddr) == 0)
644: goto hard;
645: #ifdef HPDEBUG
646: if (hpdebug) {
647: int dc = hpaddr->hpdc, da = hpaddr->hpda;
648: daddr_t bn;
649:
650: if (bp->b_flags & B_BAD)
651: bn = sc->sc_badbn;
652: else
653: bn = bp->b_blkno + npf;
654: log(LOG_DEBUG,
655: "hperr: bp %x cyl %d blk %d blkdone %d as %o dc %x da %x\n",
656: bp, bp->b_cylin, bn, sc->sc_blkdone,
657: hpaddr->hpas&0xff, MASKREG(dc), MASKREG(da));
658: log(LOG_DEBUG,
659: "errcnt %d mbsr=%b er1=%b er2=%b bcr -%d\n",
660: mi->mi_tab.b_errcnt, mbsr, mbsr_bits,
661: MASKREG(er1), HPER1_BITS,
662: MASKREG(er2), HPER2_BITS, bcr);
663: }
664: #endif
665: if (er1 & HPER1_HCRC) {
666: er1 &= ~(HPER1_HCE|HPER1_FER);
667: er2 &= ~HPER2_BSE;
668: }
669: if (er1 & HPER1_WLE) {
670: log(LOG_WARNING, "hp%d: write locked\n",
671: hpunit(bp->b_dev));
672: bp->b_flags |= B_ERROR;
673: } else if (bp->b_flags & B_FORMAT) {
674: bp->b_flags |= B_ERROR;
675: } else if (RM80(mi->mi_type) && er2&HPER2_SSE) {
676: (void) hpecc(mi, SSE);
677: return (MBD_RESTARTED);
678: } else if ((er2 & HPER2_BSE) && !ML11(mi->mi_type)) {
679: if (hpecc(mi, BSE))
680: return (MBD_RESTARTED);
681: goto hard;
682: } else if (MASKREG(er1) == HPER1_FER && RP06(mi->mi_type)) {
683: if (hpecc(mi, BSE))
684: return (MBD_RESTARTED);
685: goto hard;
686: } else if ((er1 & (HPER1_DCK | HPER1_ECH)) == HPER1_DCK &&
687: mi->mi_tab.b_errcnt >= 3) {
688: if (hpecc(mi, ECC))
689: return (MBD_RESTARTED);
690: /*
691: * ECC corrected. Only log retries below
692: * if we got errors other than soft ECC
693: * (as indicated by additional retries).
694: */
695: if (mi->mi_tab.b_errcnt == 3)
696: mi->mi_tab.b_errcnt = 0;
697: } else if ((er1 & HPER1_HCRC) && !ML11(mi->mi_type) &&
698: hpecc(mi, BSE)) {
699: /*
700: * HCRC means the header is screwed up and the sector
701: * might well exist in the bad sector table,
702: * better check....
703: */
704: return (MBD_RESTARTED);
705: } else if (++mi->mi_tab.b_errcnt > 27 ||
706: (ML11(mi->mi_type) && mi->mi_tab.b_errcnt > 15) ||
707: mbsr & MBSR_HARD ||
708: er1 & HPER1_HARD ||
709: (!ML11(mi->mi_type) && (er2 & HPER2_HARD))) {
710: hard:
711: diskerr(bp, "hp", "hard error", LOG_PRINTF, npf,
712: &hplabel[mi->mi_unit]);
713: if (bp->b_flags & B_BAD)
714: printf(" (on replacement sector %d)",
715: sc->sc_badbn);
716: if (mbsr & (MBSR_EBITS &~ (MBSR_DTABT|MBSR_MBEXC)))
717: printf(" mbsr=%b", mbsr, mbsr_bits);
718: printf(" er1=%b er2=%b\n",
719: MASKREG(hpaddr->hper1), HPER1_BITS,
720: MASKREG(hpaddr->hper2), HPER2_BITS);
721: bp->b_flags |= B_ERROR;
722: bp->b_flags &= ~B_BAD;
723: } else
724: retry = 1;
725: hpaddr->hpcs1 = HP_DCLR|HP_GO;
726: if (retry && (mi->mi_tab.b_errcnt & 07) == 4) {
727: hpaddr->hpcs1 = HP_RECAL|HP_GO;
728: sc->sc_recal = 1;
729: return (MBD_REPOSITION);
730: }
731: }
732: #ifdef HPDEBUG
733: else
734: if (hpdebug && sc->sc_recal) {
735: log(LOG_DEBUG,
736: "recal %d errcnt %d mbsr=%b er1=%b er2=%b\n",
737: sc->sc_recal, mi->mi_tab.b_errcnt, mbsr, mbsr_bits,
738: hpaddr->hper1, HPER1_BITS,
739: hpaddr->hper2, HPER2_BITS);
740: }
741: #endif
742: (void)HPWAIT(mi, hpaddr);
743: if (retry)
744: return (MBD_RETRY);
745: if (mi->mi_tab.b_errcnt >= 16) {
746: /*
747: * This is fast and occurs rarely; we don't
748: * bother with interrupts.
749: */
750: hpaddr->hpcs1 = HP_RTC|HP_GO;
751: (void)HPWAIT(mi, hpaddr);
752: mbclrattn(mi);
753: }
754: if (mi->mi_tab.b_errcnt && (bp->b_flags & B_ERROR) == 0) {
755: diskerr(bp, "hp", "retries", LOG_INFO, sc->sc_blkdone,
756: &hplabel[mi->mi_unit]);
757: addlog(": %d retries\n", mi->mi_tab.b_errcnt);
758: }
759: if ((bp->b_flags & B_BAD) && hpecc(mi, CONT))
760: return (MBD_RESTARTED);
761: sc->sc_blkdone = 0;
762: bp->b_resid = bcr;
763: if (!ML11(mi->mi_type)) {
764: hpaddr->hpof = HPOF_FMT22;
765: hpaddr->hpcs1 = HP_RELEASE|HP_GO;
766: }
767: if (sc->sc_openpart == 0)
768: wakeup((caddr_t)sc);
769: return (MBD_DONE);
770: }
771:
772: /*
773: * Wait (for a bit) for a drive to come ready;
774: * returns nonzero on success.
775: */
776: hpwait(mi)
777: register struct mba_device *mi;
778: {
779: register struct hpdevice *hpaddr = (struct hpdevice *)mi->mi_drv;
780: register i = 100000;
781:
782: while ((hpaddr->hpds & HPDS_DRY) == 0 && --i)
783: DELAY(10);
784: if (i == 0)
785: printf("hp%d: intr, not ready\n", mi->mi_unit);
786: return (i);
787: }
788:
789: hpioctl(dev, cmd, data, flag)
790: dev_t dev;
791: int cmd;
792: caddr_t data;
793: int flag;
794: {
795: int unit = hpunit(dev);
796: register struct disklabel *lp;
797: register struct hpsoftc *sc = &hpsoftc[unit];
798: int error = 0;
799: int hpformat();
800:
801: lp = &hplabel[unit];
802:
803: switch (cmd) {
804:
805: case DIOCGDINFO:
806: *(struct disklabel *)data = *lp;
807: break;
808:
809: case DIOCGPART:
810: ((struct partinfo *)data)->disklab = lp;
811: ((struct partinfo *)data)->part =
812: &lp->d_partitions[hppart(dev)];
813: break;
814:
815: case DIOCSDINFO:
816: if ((flag & FWRITE) == 0)
817: error = EBADF;
818: else
819: error = setdisklabel(lp, (struct disklabel *)data,
820: (sc->sc_state == OPENRAW) ? 0 : sc->sc_openpart);
821: if (error == 0)
822: sc->sc_state = OPEN;
823: break;
824:
825: case DIOCWLABEL:
826: if ((flag & FWRITE) == 0)
827: error = EBADF;
828: else
829: sc->sc_wlabel = *(int *)data;
830: break;
831:
832: case DIOCWDINFO:
833: if ((flag & FWRITE) == 0)
834: error = EBADF;
835: else if ((error = setdisklabel(lp, (struct disklabel *)data,
836: (sc->sc_state == OPENRAW) ? 0 : sc->sc_openpart)) == 0) {
837: int wlab;
838:
839: sc->sc_state = OPEN;
840: /* simulate opening partition 0 so write succeeds */
841: sc->sc_openpart |= (1 << 0); /* XXX */
842: wlab = sc->sc_wlabel;
843: sc->sc_wlabel = 1;
844: error = writedisklabel(dev, hpstrategy, lp);
845: sc->sc_openpart = sc->sc_copenpart | sc->sc_bopenpart;
846: sc->sc_wlabel = wlab;
847: }
848: break;
849:
850: case DIOCSBAD:
851: {
852: struct dkbad *db = (struct dkbad *)data;
853:
854: if ((flag & FWRITE) == 0)
855: error = EBADF;
856: else if (db->bt_mbz != 0 || db->bt_flag != 0)
857: error = EINVAL;
858: else
859: hpbad[unit] = *db;
860: break;
861: }
862:
863: case DIOCRFORMAT:
864: case DIOCWFORMAT:
865: {
866: register struct format_op *fop;
867: struct uio auio;
868: struct iovec aiov;
869:
870: if (cmd == DIOCWFORMAT && (flag & FWRITE) == 0) {
871: error = EBADF;
872: break;
873: }
874: fop = (struct format_op *)data;
875: aiov.iov_base = fop->df_buf;
876: aiov.iov_len = fop->df_count;
877: auio.uio_iov = &aiov;
878: auio.uio_iovcnt = 1;
879: auio.uio_resid = fop->df_count;
880: auio.uio_segflg = UIO_USERSPACE;
881: auio.uio_offset = fop->df_startblk * lp->d_secsize;
882: /*
883: * Don't return errors, as the format op won't get copied
884: * out if we return nonzero. Callers must check the returned
885: * count.
886: */
887: (void) physio(hpformat, (struct buf *)NULL, dev,
888: (cmd == DIOCWFORMAT ? B_WRITE : B_READ), minphys, &auio);
889: fop->df_count -= auio.uio_resid;
890: fop->df_reg[0] = sc->sc_status;
891: fop->df_reg[1] = sc->sc_hpds;
892: fop->df_reg[2] = sc->sc_er1;
893: fop->df_reg[3] = sc->sc_er2;
894: break;
895: }
896:
897: #ifdef COMPAT_42
898: case DKIOCHDR: /* do header read/write */ /* XXX */
899: sc->sc_hdr = 1;
900: break;
901: #endif
902:
903: default:
904: error = ENOTTY;
905: break;
906: }
907: return (error);
908: }
909:
910: hpformat(bp)
911: struct buf *bp;
912: {
913: bp->b_flags |= B_FORMAT;
914: hpstrategy(bp);
915: }
916:
917: hpecc(mi, flag)
918: register struct mba_device *mi;
919: int flag;
920: {
921: register struct mba_regs *mbp = mi->mi_mba;
922: register struct hpdevice *rp = (struct hpdevice *)mi->mi_drv;
923: register struct buf *bp = mi->mi_tab.b_actf;
924: register struct disklabel *lp = &hplabel[mi->mi_unit];
925: struct hpsoftc *sc = &hpsoftc[mi->mi_unit];
926: int npf, o;
927: int bn, cn, tn, sn;
928: int bcr;
929:
930: bcr = MASKREG(-mbp->mba_bcr);
931: if (bp->b_flags & B_BAD)
932: npf = bp->b_error;
933: else {
934: npf = bp->b_bcount - bcr;
935: /*
936: * Watch out for fractional sector at end of transfer;
937: * want to round up if finished, otherwise round down.
938: */
939: if (bcr == 0)
940: npf += 511;
941: npf = btodb(npf);
942: }
943: o = (int)bp->b_un.b_addr & PGOFSET;
944: bn = bp->b_blkno;
945: cn = bp->b_cylin;
946: sn = bn % lp->d_secpercyl + npf;
947: tn = sn / lp->d_nsectors;
948: sn %= lp->d_nsectors;
949: cn += tn / lp->d_ntracks;
950: tn %= lp->d_ntracks;
951: bn += npf;
952: switch (flag) {
953: case ECC: {
954: register int i;
955: caddr_t addr;
956: struct pte mpte;
957: int bit, byte, mask;
958:
959: npf--; /* because block in error is previous block */
960: diskerr(bp, "hp", "soft ecc", LOG_WARNING, npf, lp);
961: if (bp->b_flags & B_BAD)
962: addlog(" (on replacement sector %d)", sc->sc_badbn);
963: addlog("\n");
964: mask = MASKREG(rp->hpec2);
965: i = MASKREG(rp->hpec1) - 1; /* -1 makes 0 origin */
966: bit = i&07;
967: i = (i&~07)>>3;
968: byte = i + o;
969: while (i < 512 && (int)dbtob(npf)+i < bp->b_bcount && bit > -11) {
970: mpte = mbp->mba_map[npf+btop(byte)];
971: addr = ptob(mpte.pg_pfnum) + (byte & PGOFSET);
972: putmemc(addr, getmemc(addr)^(mask<<bit));
973: byte++;
974: i++;
975: bit -= 8;
976: }
977: if (bcr == 0)
978: return (0);
979: npf++;
980: break;
981: }
982:
983: case SSE:
984: rp->hpof |= HPOF_SSEI;
985: if (bp->b_flags & B_BAD) {
986: bn = sc->sc_badbn;
987: goto fixregs;
988: }
989: mbp->mba_bcr = -(bp->b_bcount - (int)ptob(npf));
990: break;
991:
992: case BSE:
993: if (sc->sc_state == OPENRAW)
994: return (0);
995: if (rp->hpof & HPOF_SSEI)
996: sn++;
997: #ifdef HPBDEBUG
998: if (hpbdebug)
999: log(LOG_DEBUG, "hpecc, BSE: bn %d cn %d tn %d sn %d\n", bn, cn, tn, sn);
1000: #endif
1001: if (bp->b_flags & B_BAD)
1002: return (0);
1003: if ((bn = isbad(&hpbad[mi->mi_unit], cn, tn, sn)) < 0)
1004: return (0);
1005: bp->b_flags |= B_BAD;
1006: bp->b_error = npf + 1;
1007: rp->hpof &= ~HPOF_SSEI;
1008: bn = lp->d_ncylinders * lp->d_secpercyl -
1009: lp->d_nsectors - 1 - bn;
1010: sc->sc_badbn = bn;
1011: fixregs:
1012: cn = bn / lp->d_secpercyl;
1013: sn = bn % lp->d_secpercyl;
1014: tn = sn / lp->d_nsectors;
1015: sn %= lp->d_nsectors;
1016: bcr = bp->b_bcount - (int)ptob(npf);
1017: bcr = MIN(bcr, 512);
1018: mbp->mba_bcr = -bcr;
1019: #ifdef HPBDEBUG
1020: if (hpbdebug)
1021: log(LOG_DEBUG, "revector to cn %d tn %d sn %d\n", cn, tn, sn);
1022: #endif
1023: break;
1024:
1025: case CONT:
1026: #ifdef HPBDEBUG
1027: if (hpbdebug)
1028: log(LOG_DEBUG, "hpecc, CONT: bn %d cn %d tn %d sn %d\n", bn,cn,tn,sn);
1029: #endif
1030: bp->b_flags &= ~B_BAD;
1031: if ((int)ptob(npf) >= bp->b_bcount)
1032: return (0);
1033: mbp->mba_bcr = -(bp->b_bcount - (int)ptob(npf));
1034: break;
1035: }
1036: rp->hpcs1 = HP_DCLR|HP_GO;
1037: if (rp->hpof & HPOF_SSEI)
1038: sn++;
1039: rp->hpdc = cn;
1040: rp->hpda = (tn<<8) + sn;
1041: mbp->mba_sr = -1;
1042: mbp->mba_var = (int)ptob(npf) + o;
1043: rp->hpcs1 = bp->b_flags&B_READ ? HP_RCOM|HP_GO : HP_WCOM|HP_GO;
1044: mi->mi_tab.b_errcnt = 0; /* error has been corrected */
1045: sc->sc_blkdone = npf;
1046: return (1);
1047: }
1048:
1049: #define DBSIZE 20
1050:
1051: hpdump(dev)
1052: dev_t dev;
1053: {
1054: register struct mba_device *mi;
1055: register struct mba_regs *mba;
1056: struct hpdevice *hpaddr;
1057: char *start;
1058: int num, unit;
1059: register struct disklabel *lp;
1060:
1061: num = maxfree;
1062: start = 0;
1063: unit = hpunit(dev);
1064: if (unit >= NHP)
1065: return (ENXIO);
1066: #define phys(a,b) ((b)((int)(a)&0x7fffffff))
1067: mi = phys(hpinfo[unit],struct mba_device *);
1068: if (mi == 0 || mi->mi_alive == 0)
1069: return (ENXIO);
1070: lp = &hplabel[unit];
1071: mba = phys(mi->mi_hd, struct mba_hd *)->mh_physmba;
1072: mba->mba_cr = MBCR_INIT;
1073: hpaddr = (struct hpdevice *)&mba->mba_drv[mi->mi_drive];
1074: if ((hpaddr->hpds & HPDS_VV) == 0) {
1075: hpaddr->hpcs1 = HP_DCLR|HP_GO;
1076: hpaddr->hpcs1 = HP_PRESET|HP_GO;
1077: hpaddr->hpof = HPOF_FMT22;
1078: }
1079: if (dumplo < 0)
1080: return (EINVAL);
1081: if (dumplo + num >= lp->d_partitions[hppart(dev)].p_size)
1082: num = lp->d_partitions[hppart(dev)].p_size - dumplo;
1083: while (num > 0) {
1084: register struct pte *hpte = mba->mba_map;
1085: register int i;
1086: int blk, cn, sn, tn;
1087: daddr_t bn;
1088:
1089: blk = num > DBSIZE ? DBSIZE : num;
1090: bn = dumplo + btodb(start);
1091: cn = (bn + lp->d_partitions[hppart(dev)].p_offset) /
1092: lp->d_secpercyl;
1093: sn = bn % lp->d_secpercyl;
1094: tn = sn / lp->d_nsectors;
1095: sn = sn % lp->d_nsectors;
1096: hpaddr->hpdc = cn;
1097: hpaddr->hpda = (tn << 8) + sn;
1098: for (i = 0; i < blk; i++)
1099: *(int *)hpte++ = (btop(start)+i) | PG_V;
1100: mba->mba_sr = -1;
1101: mba->mba_bcr = -(blk*NBPG);
1102: mba->mba_var = 0;
1103: hpaddr->hpcs1 = HP_WCOM | HP_GO;
1104: while ((hpaddr->hpds & HPDS_DRY) == 0)
1105: DELAY(10);
1106: if (hpaddr->hpds&HPDS_ERR)
1107: return (EIO);
1108: start += blk*NBPG;
1109: num -= blk;
1110: }
1111: return (0);
1112: }
1113:
1114: hpsize(dev)
1115: dev_t dev;
1116: {
1117: register int unit = hpunit(dev);
1118: struct mba_device *mi;
1119:
1120: if (unit >= NHP || (mi = hpinfo[unit]) == 0 || mi->mi_alive == 0 ||
1121: hpsoftc[unit].sc_state != OPEN)
1122: return (-1);
1123: return ((int)hplabel[unit].d_partitions[hppart(dev)].p_size);
1124: }
1125:
1126: #ifdef COMPAT_42
1127: /*
1128: * Compatibility code to fake up pack label
1129: * for unlabeled disks.
1130: */
1131: struct size {
1132: daddr_t nblocks;
1133: int cyloff;
1134: } rp06_sizes[8] = {
1135: 15884, 0, /* A=cyl 0 thru 37 */
1136: 33440, 38, /* B=cyl 38 thru 117 */
1137: 340670, 0, /* C=cyl 0 thru 814 */
1138: 15884, 118, /* D=cyl 118 thru 155 */
1139: 55936, 156, /* E=cyl 156 thru 289 */
1140: 219384, 290, /* F=cyl 290 thru 814 */
1141: 291192, 118, /* G=cyl 118 thru 814 */
1142: 0, 0,
1143: }, rp05_sizes[8] = {
1144: 15884, 0, /* A=cyl 0 thru 37 */
1145: 33440, 38, /* B=cyl 38 thru 117 */
1146: 171798, 0, /* C=cyl 0 thru 410 */
1147: 15884, 118, /* D=cyl 118 thru 155 */
1148: 55936, 156, /* E=cyl 156 thru 289 */
1149: 50512, 290, /* F=cyl 290 thru 410 */
1150: 122408, 118, /* G=cyl 118 thru 410 */
1151: 0, 0,
1152: }, rm03_sizes[8] = {
1153: 15884, 0, /* A=cyl 0 thru 99 */
1154: 33440, 100, /* B=cyl 100 thru 308 */
1155: 131680, 0, /* C=cyl 0 thru 822 */
1156: 15884, 309, /* D=cyl 309 thru 408 */
1157: 55936, 409, /* E=cyl 409 thru 758 */
1158: 10144, 759, /* F=cyl 759 thru 822 */
1159: 82144, 309, /* G=cyl 309 thru 822 */
1160: 0, 0,
1161: }, rm05_sizes[8] = {
1162: 15884, 0, /* A=cyl 0 thru 26 */
1163: 33440, 27, /* B=cyl 27 thru 81 */
1164: 500384, 0, /* C=cyl 0 thru 822 */
1165: 15884, 562, /* D=cyl 562 thru 588 */
1166: 55936, 589, /* E=cyl 589 thru 680 */
1167: 86240, 681, /* F=cyl 681 thru 822 */
1168: 158592, 562, /* G=cyl 562 thru 822 */
1169: 291346, 82, /* H=cyl 82 thru 561 */
1170: }, rm80_sizes[8] = {
1171: 15884, 0, /* A=cyl 0 thru 36 */
1172: 33440, 37, /* B=cyl 37 thru 114 */
1173: 242606, 0, /* C=cyl 0 thru 558 */
1174: 15884, 115, /* D=cyl 115 thru 151 */
1175: 55936, 152, /* E=cyl 152 thru 280 */
1176: 120559, 281, /* F=cyl 281 thru 558 */
1177: 192603, 115, /* G=cyl 115 thru 558 */
1178: 0, 0,
1179: }, rp07_sizes[8] = {
1180: 15884, 0, /* A=cyl 0 thru 9 */
1181: 66880, 10, /* B=cyl 10 thru 51 */
1182: 1008000, 0, /* C=cyl 0 thru 629 */
1183: 15884, 235, /* D=cyl 235 thru 244 */
1184: 307200, 245, /* E=cyl 245 thru 436 */
1185: 308650, 437, /* F=cyl 437 thru 629 */
1186: 631850, 235, /* G=cyl 235 thru 629 */
1187: 291346, 52, /* H=cyl 52 thru 234 */
1188: }, cdc9775_sizes[8] = {
1189: 15884, 0, /* A=cyl 0 thru 12 */
1190: 66880, 13, /* B=cyl 13 thru 65 */
1191: 1077760, 0, /* C=cyl 0 thru 841 */
1192: 15884, 294, /* D=cyl 294 thru 306 */
1193: 307200, 307, /* E=cyl 307 thru 546 */
1194: 377440, 547, /* F=cyl 547 thru 841 */
1195: 701280, 294, /* G=cyl 294 thru 841 */
1196: 291346, 66, /* H=cyl 66 thru 293 */
1197: }, cdc9730_sizes[8] = {
1198: 15884, 0, /* A=cyl 0 thru 49 */
1199: 33440, 50, /* B=cyl 50 thru 154 */
1200: 263360, 0, /* C=cyl 0 thru 822 */
1201: 15884, 155, /* D=cyl 155 thru 204 */
1202: 55936, 205, /* E=cyl 205 thru 379 */
1203: 141664, 380, /* F=cyl 380 thru 822 */
1204: 213664, 155, /* G=cyl 155 thru 822 */
1205: 0, 0,
1206: }, capricorn_sizes[8] = {
1207: 15884, 0, /* A=cyl 0 thru 31 */
1208: 33440, 32, /* B=cyl 32 thru 97 */
1209: 524288, 0, /* C=cyl 0 thru 1023 */
1210: 15884, 668, /* D=cyl 668 thru 699 */
1211: 55936, 700, /* E=cyl 700 thru 809 */
1212: 109472, 810, /* F=cyl 810 thru 1023 */
1213: 182176, 668, /* G=cyl 668 thru 1023 */
1214: 291346, 98, /* H=cyl 98 thru 667 */
1215: }, eagle_sizes[8] = {
1216: 15884, 0, /* A=cyl 0 thru 16 */
1217: 66880, 17, /* B=cyl 17 thru 86 */
1218: 808320, 0, /* C=cyl 0 thru 841 */
1219: 15884, 391, /* D=cyl 391 thru 407 */
1220: 307200, 408, /* E=cyl 408 thru 727 */
1221: 109296, 728, /* F=cyl 728 thru 841 */
1222: 432816, 391, /* G=cyl 391 thru 841 */
1223: 291346, 87, /* H=cyl 87 thru 390 */
1224: }, ampex_sizes[8] = {
1225: 15884, 0, /* A=cyl 0 thru 26 */
1226: 33440, 27, /* B=cyl 27 thru 81 */
1227: 495520, 0, /* C=cyl 0 thru 814 */
1228: 15884, 562, /* D=cyl 562 thru 588 */
1229: 55936, 589, /* E=cyl 589 thru 680 */
1230: 81312, 681, /* F=cyl 681 thru 814 */
1231: 153664, 562, /* G=cyl 562 thru 814 */
1232: 291346, 82, /* H=cyl 82 thru 561 */
1233: }, fj2361_sizes[8] = {
1234: 15884, 0, /* A=cyl 0 thru 12 */
1235: 66880, 13, /* B=cyl 13 thru 65 */
1236: 1077760, 0, /* C=cyl 0 thru 841 */
1237: 15884, 294, /* D=cyl 294 thru 306 */
1238: 307200, 307, /* E=cyl 307 thru 546 */
1239: 377408, 547, /* F=cyl 547 thru 841 */
1240: 701248, 294, /* G=cyl 294 thru 841 */
1241: 291346, 66, /* H=cyl 66 thru 293 */
1242: }, fj2361a_sizes[8] = {
1243: 15884, 0, /* A=cyl 0 thru 11 */
1244: 66880, 12, /* B=cyl 12 thru 61 */
1245: 1145120, 0, /* C=cyl 0 thru 841 */
1246: 15884, 277, /* D=cyl 277 thru 288 */
1247: 307200, 289, /* E=cyl 289 thru 514 */
1248: 444516, 515, /* F=cyl 515 thru 841 */
1249: 768196, 277, /* G=cyl 277 thru 841 */
1250: 291346, 62, /* H=cyl 62 thru 276 */
1251: };
1252:
1253: /*
1254: * These variable are all measured in sectors.
1255: * Sdist is how much to "lead" in the search for a desired sector
1256: * (i.e. if want N, search for N-sdist.)
1257: * Maxdist and mindist define the region right before our desired sector within
1258: * which we don't bother searching. We don't search when we are already less
1259: * then maxdist and more than mindist sectors "before" our desired sector.
1260: * Maxdist should be >= sdist.
1261: *
1262: * Beware, sdist, mindist and maxdist are not well tuned
1263: * for many of the drives listed in this table.
1264: * Try patching things with something i/o intensive
1265: * running and watch iostat.
1266: *
1267: * The order of these entries must agree with the indices in hptypes[].
1268: */
1269: struct hpst {
1270: short nsect; /* # sectors/track */
1271: short ntrak; /* # tracks/cylinder */
1272: short nspc; /* # sector/cylinders */
1273: short ncyl; /* # cylinders */
1274: struct size *sizes; /* partition tables */
1275: short sdist; /* seek distance metric */
1276: short maxdist; /* boundaries of non-searched area */
1277: short mindist; /* preceding the target sector */
1278: char *name; /* name of disk type */
1279: } hpst[] = {
1280: { 32, 5, 32*5, 823, rm03_sizes, 7, 4, 1, "RM03" },
1281: { 32, 19, 32*19, 823, rm05_sizes, 7, 4, 1, "RM05" },
1282: { 22,19, 22*19, 815, rp06_sizes, 7, 4, 1, "RP06"},
1283: { 31, 14, 31*14, 559, rm80_sizes, 7, 4, 1, "RM80"},
1284: { 22, 19, 22*19, 411, rp05_sizes, 7, 4, 1, "RP04"},
1285: { 22, 19, 22*19, 411, rp05_sizes, 7, 4, 1, "RP05"},
1286: { 50, 32, 50*32, 630, rp07_sizes, 15, 8, 3, "RP07"},
1287: { 1, 1, 1, 1, 0, 0, 0, 0, "ML11A"},
1288: { 1, 1, 1, 1, 0, 0, 0, 0, "ML11B" },
1289: { 32, 40, 32*40, 843, cdc9775_sizes, 7, 4, 1, "9775" },
1290: { 32, 10, 32*10, 823, cdc9730_sizes, 7, 4, 1, "9730-160" },
1291: { 32, 16, 32*16, 1024, capricorn_sizes,10,4, 3, "capricorn" },
1292: { 48, 20, 48*20, 842, eagle_sizes, 15, 8, 3, "eagle" },
1293: { 32, 19, 32*19, 815, ampex_sizes, 7, 4, 1, "9300" },
1294: { 64, 20, 64*20, 842, fj2361_sizes, 15, 8, 3, "2361" },
1295: { 68, 20, 68*20, 842, fj2361a_sizes, 15, 8, 3, "2361a" },
1296: };
1297:
1298: /*
1299: * Map apparent MASSBUS drive type into manufacturer
1300: * specific configuration. For SI controllers this is done
1301: * based on codes in the serial number register. For
1302: * EMULEX controllers, the track and sector attributes are
1303: * used when the drive type is an RM02 (not supported by DEC).
1304: */
1305: hpmaptype(mi, lp)
1306: register struct mba_device *mi;
1307: register struct disklabel *lp;
1308: {
1309: register struct hpdevice *hpaddr = (struct hpdevice *)mi->mi_drv;
1310: register int type = mi->mi_type;
1311: register struct hpst *st;
1312: register i;
1313:
1314: /*
1315: * Model-byte processing for SI controllers.
1316: * NB: Only deals with RM03 and RM05 emulations.
1317: */
1318: if (type == HPDT_RM03 || type == HPDT_RM05) {
1319: int hpsn = hpaddr->hpsn;
1320:
1321: if ((hpsn & SIMB_LU) == mi->mi_drive)
1322: switch ((hpsn & SIMB_MB) & ~(SIMB_S6|SIRM03|SIRM05)) {
1323:
1324: case SI9775D:
1325: type = HPDT_9775;
1326: break;
1327:
1328: case SI9730D:
1329: type = HPDT_9730;
1330: break;
1331:
1332: case SI9766:
1333: type = HPDT_RM05;
1334: break;
1335:
1336: case SI9762:
1337: type = HPDT_RM03;
1338: break;
1339:
1340: case SICAPD:
1341: type = HPDT_CAPRICORN;
1342: break;
1343:
1344: case SI9751D:
1345: type = HPDT_EAGLE;
1346: break;
1347: }
1348: mi->mi_type = type;
1349: }
1350:
1351: /*
1352: * EMULEX SC750 or SC780. Poke the holding register.
1353: */
1354: if (type == HPDT_RM02) {
1355: int nsectors, ntracks, ncyl;
1356:
1357: hpaddr->hpof = HPOF_FMT22;
1358: mbclrattn(mi);
1359: hpaddr->hpcs1 = HP_NOP;
1360: hpaddr->hphr = HPHR_MAXTRAK;
1361: ntracks = MASKREG(hpaddr->hphr) + 1;
1362: DELAY(100);
1363: hpaddr->hpcs1 = HP_NOP;
1364: hpaddr->hphr = HPHR_MAXSECT;
1365: nsectors = MASKREG(hpaddr->hphr) + 1;
1366: DELAY(100);
1367: hpaddr->hpcs1 = HP_NOP;
1368: hpaddr->hphr = HPHR_MAXCYL;
1369: ncyl = MASKREG(hpaddr->hphr) + 1;
1370: for (type = 0; hptypes[type] != 0; type++)
1371: if (hpst[type].nsect == nsectors &&
1372: hpst[type].ntrak == ntracks &&
1373: hpst[type].ncyl == ncyl)
1374: break;
1375:
1376: hpaddr->hpcs1 = HP_DCLR|HP_GO;
1377: mbclrattn(mi); /* conservative */
1378: if (hptypes[type] == 0) {
1379: printf("hp%d: %d sectors, %d tracks, %d cylinders: unknown device\n",
1380: mi->mi_unit, nsectors, ntracks, ncyl);
1381: lp->d_nsectors = nsectors;
1382: lp->d_ntracks = ntracks;
1383: lp->d_ncylinders = ncyl;
1384: lp->d_secpercyl = nsectors*ntracks;
1385: lp->d_secperunit = lp->d_secpercyl * lp->d_ncylinders;
1386: #ifdef notdef /* set elsewhere */
1387: lp->d_npartitions = 1;
1388: lp->d_partitions[0].p_offset = 0;
1389: #endif
1390: lp->d_partitions[0].p_size = lp->d_secperunit;
1391: return (0);
1392: }
1393: mi->mi_type = type;
1394: }
1395:
1396: /*
1397: * set up minimal disk label.
1398: */
1399: st = &hpst[type];
1400: lp->d_nsectors = st->nsect;
1401: lp->d_ntracks = st->ntrak;
1402: lp->d_secpercyl = st->nspc;
1403: lp->d_ncylinders = st->ncyl;
1404: lp->d_secperunit = st->nspc * st->ncyl;
1405: lp->d_sdist = st->sdist;
1406: lp->d_mindist = st->mindist;
1407: lp->d_maxdist = st->maxdist;
1408: bcopy(hpst[type].name, lp->d_typename, sizeof(lp->d_typename));
1409: lp->d_npartitions = 8;
1410: for (i = 0; i < 8; i++) {
1411: lp->d_partitions[i].p_offset = st->sizes[i].cyloff *
1412: lp->d_secpercyl;
1413: lp->d_partitions[i].p_size = st->sizes[i].nblocks;
1414: }
1415: return (1);
1416: }
1417: #endif COMPAT_42
1418: #endif
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